The BEST episodes directed by Darragh O'connell

8.71

48 votes

#1 - The Dwarf Lantern Shark

Octonauts - Season 1 - Episode 44

Down in the darkness of the ocean deep, Peso and the Octonauts must help a tiny, injured Dwarf Lanternshark. But they have to find him first!

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8.28

70 votes

#2 - The Eel Ordeal

Octonauts - Season 1 - Episode 42

The Octonauts travel up a treacherous river to help a young migrating eel on her difficult journey.

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8.08

73 votes

#3 - The Dolphin Reef Rescue

Octonauts - Season 1 - Episode 41

When the Octonauts all pitch in to help save a sick coral reef, they get some unexpected help from a pod of playful dolphins.

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7.93

105 votes

#4 - The Arctic Orcas

Octonauts - Season 1 - Episode 37

When Captain Barnacles and Peso get lost in the icy Arctic sea, a pod of Orcas help the Octonauts find them.

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7.82

107 votes

#5 - The Jellyfish Bloom

Octonauts - Season 1 - Episode 34

When Shellington gets trapped in the middle of a massive Jellyfish bloom, it's up to the Octonauts to rescue him.

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7.79

73 votes

#6 - The Kelp Forest Rescue

Octonauts - Season 1 - Episode 24

When Peso's little brother, Pinto, comes to visit, he's more interested in being a pirate than a medic – at least until he accompanies Peso on a mission to rescue Dashi and Shellington in a kelp forest.

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7.74

23 votes

#7 - The Baby Gator

Octonauts - Season 4 - Episode 11

Kwazii adopts a baby alligator, but when it escapes the Octopod, he must rescue the tiny creature from ocean currents and hungry predators.

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7.73

117 votes

#8 - The Giant Kelp Forest

Octonauts - Season 1 - Episode 15

When Kwazii's favorite sub, the Gup B, goes missing, the Octonauts journey into a mysterious kelp forest to find it, meeting strange and interesting creatures along the way.

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7.65

141 votes

#9 - The Oarfish

Octonauts - Season 1 - Episode 32

Dashi snaps a picture of what appears to be a sea serpent, but the truth is stranger than fiction when it turns out to be an awesomely long Oarfish.

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7.62

173 votes

#10 - The Snot Sea Cucumber

Octonauts - Season 1 - Episode 20

When a slimy, slippery snot sea cucumber gets loose on the Octopod, Captain Barnacles Bear decides the only way to save it is to flood the ship!

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7.58

143 votes

#11 - The Snapping Shrimp

Octonauts - Season 1 - Episode 19

The Octonauts encounter a snapping shrimp – a small creature that uses its claws to make a big, and stunning, noise.

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7.54

144 votes

#12 - The Narwhal

Octonauts - Season 1 - Episode 17

While exploring the Arctic, the Octopod gets trapped in the ice. Only Barnacles's skillful navigation, and the help of a friendly Narwhal, can get them free.

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7.53

138 votes

#13 - The Combtooth Blenny

Octonauts - Season 1 - Episode 33

When Kwazii and Peso are shipwrecked on a desert island, they encounter a Combtooth Blenny - a fish who walks on land! They enlist him to send an SOS message to the other Octonauts.

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7.52

148 votes

#14 - The Vampire Squid

Octonauts - Season 1 - Episode 28

Peso must gather all his courage when he travels deep down to the very bottom of the ocean, the Midnight Zone, and encounters the mysterious Vampire Squid.

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7.51

151 votes

#15 - The Lost Sea Star

Octonauts - Season 1 - Episode 13

When the Octonauts find an unusual Sea Star on the beach, they search the ocean from top to bottom (literally) to help find its home.

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7.49

137 votes

#16 - The Baby Dolphin

Octonauts - Season 1 - Episode 35

When a young dolphin follows Kwazii home, he has to babysit while the other Octonauts search for its mother.

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7.47

207 votes

#17 - The Remipedes

Octonauts - Season 1 - Episode 9

When Shellington gets lost in a dark sea cave, he gets unexpected assistance from some blind Remipedes.

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7.44

166 votes

#18 - The Hungry Pilot Fish

Octonauts - Season 1 - Episode 27

The Octonauts are chased by a whitetip shark only to discover all it really needed was a pilot fish to clean its teeth, and it just so happens that they have just met a lonely pilot fish that is hungry for action.

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7.40

159 votes

#19 - The Mixed-Up Whales

Octonauts - Season 1 - Episode 23

When the Octonauts clean and repair their ship, the Octopod, the resulting noise causes a nearby blue whale to act in strange and dangerous ways.

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7.38

251 votes

#20 - The Giant Squid

Octonauts - Season 1 - Episode 6

The Octonauts roam the oceans in search of adventure and fun. Whether it's a perilous voyage to the bottom of the sea or the piratey pursuit of a giant squid, the Octonauts leap into action and always prove that eight heads are better than one! The Octonauts set out to find and photograph Inkling's long lost cousin, the elusive Giant Squid.

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7.37

238 votes

#21 - The Monster Map

Octonauts - Season 1 - Episode 12

The Octonauts follow an old map to what Kwazii believes is treasure guarded by a sea monster but, instead, they meet a playful Octopus with all kinds of surprising abilities.

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7.35

208 votes

#22 - The Blobfish Brothers

Octonauts - Season 1 - Episode 11

The Octonauts must evacuate sea creatures before an underwater volcano erupts, but there's one creature that won't budge: a slow moving, gelatinous Blobfish.

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7.33

165 votes

#23 - The Cookiecutter Sharks

Octonauts - Season 1 - Episode 31

What keeps making strange holes in the Octonauts' equipment? Turns out it's a trio of pesky Cookiecutter Sharks, the mosquitos of the sea!

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7.33

240 votes

#24 - The Orcas

Octonauts - Season 1 - Episode 7

When a huge Orca whale becomes stranded on a beach, Captain Barnacles Bear and the Octonauts devise a plan to pull him back into the water, with some help from a group of tunnelling Fiddler Crabs.

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7.30

144 votes

#25 - The Enemy Anemones

Octonauts - Season 1 - Episode 16

The Octonauts and some helpless crabs are caught between two territorial groups of aggregating anemones - and their numbers are growing!

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7.26

135 votes

#26 - The Lost Lemon Shark

Octonauts - Season 1 - Episode 48

The Octonauts have their hands full as they look after a headstrong young Lemon Shark who's hurt his nose and can't find his way home.

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7.26

166 votes

#27 - The Giant Spider Crab

Octonauts - Season 1 - Episode 50

The octonauts help a 100 year old spider crab which has got its leg trapped in a giant clam whilst en route to its own 100th birthday party. It turns out that Kwazii's afraid of spiders, but he still helps, even though he thought it was a real spider at first.

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7.24

202 votes

#28 - The Speedy Sailfish

Octonauts - Season 1 - Episode 10

When all the Gups go out of control, Barnacles and Kwazii leap onto the backs of some speedy Sailfish to round them up.

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7.23

160 votes

#29 - The Slime Eels

Octonauts - Season 1 - Episode 38

Kwazii covets the treasure in a sunken pirate ship, but its protected by slime squirting Slime Eels.

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7.20

312 votes

#30 - The Undersea Storm

Octonauts - Season 1 - Episode 2

When Kwazii's Gup-B breaks down in a storm, not even brave Captain Barnacles can save him alone. Fortunately, a chain of reef lobsters lends a hand - and some claws.

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7.18

281 votes

#31 - The Crab and Urchin

Octonauts - Season 1 - Episode 3

Barnacles and Kwazii investigate a disruption on a nearby reef: a carrier crab and the urchin who lives on its shell just can't seem to get along.

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7.18

17 votes

#32 - The Crawfish

Octonauts - Season 4 - Episode 13

When a population of crawfish is stricken by illness, the Octonauts race to find a cure.

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7.14

197 votes

#33 - The Giant Jelly

Octonauts - Season 1 - Episode 30

The Octonauts must rescue Peso when he gets trapped inside a giant Comb Jelly!

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7.13

229 votes

#34 - The Albino Humpback Whale

Octonauts - Season 1 - Episode 14

The Octonauts help out an Albino Humpback Whale with a nasty sunburn.

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7.10

144 votes

#35 - The Giant Whirlpool

Octonauts - Season 1 - Episode 21

The Octonauts race against time to rescue Tweak's pal, a leatherback sea turtle who's caught in a fast-moving ocean current that's sucking it into a whirlpool.

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7.08

248 votes

#36 - The Walrus Chief

Octonauts - Season 1 - Episode 4

When Peso's precious medical kit is taken, Barnacles and Kwazii sneak into a dangerous walrus colony to get it back, disguised as a walrus.

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7.07

103 votes

#37 - The Pirate Parrotfish

Octonauts - Season 1 - Episode 45

When the Octonauts go on a pirate treasure hunt, Kwazii meets a Parrotfish.

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6.95

427 votes

#38 - The Whale Shark

Octonauts - Season 1 - Episode 1

When Dashi is accidentally swallowed by a whale shark, the Octonauts venture inside the huge fish to rescue her.

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6.81

165 votes

#39 - The Seahorse Tale

Octonauts - Season 1 - Episode 29

After a storm, the Octonauts have to reunite a seahorse with its missing mate - who is about to give birth to baby seahorses!

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6.80

5 votes

#40 - The Flamingos

Octonauts - Season 4 - Episode 15

The Octonauts wade through a swamp to find a lost flamingo chick before hungry predators do!

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6.79

212 votes

#41 - The Great Algae Escape

Octonauts - Season 1 - Episode 8

Captain Barnacles and his crew must catch a runaway Octopod, when it is hijacked by a group of crustaceans trying to escape their algae-infested waters.

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6.78

128 votes

#42 - The Marine Iguanas

Octonauts - Season 1 - Episode 43

As the Octonauts prepare for their annual seaweed feast near the Galapagos Islands, a trio of salt sneezing Marine Iguanas steal their seaweed!

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6.76

137 votes

#43 - The Hermit Crabs

Octonauts - Season 1 - Episode 22

When Captain Barnacles Bear and most of the crew are unable to return to base, it's up to Peso and Tweak to remove a stuck hermit crab from its shell.

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6.59

149 votes

#44 - The Midnight Zone

Octonauts - Season 1 - Episode 18

While exploring the deepest part of the ocean, the Midnight Zone, the Octonauts discover a strange rock that happens to be home to a new species of worm.

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6.54

193 votes

#45 - The Decorator Crab

Octonauts - Season 1 - Episode 25

When important objects go missing from their ship, the Octonauts stake out the thief, who turns out to be a decorator crab stealing their things to decorate his shell.

6.45

105 votes

#46 - The Crafty Cuttlefish

Octonauts - Season 1 - Episode 47

Captain Barnacles' compass has been taken by a crafty, shape shifting Cuttlefish

6.42

111 votes

#47 - The Scary Spookfish

Octonauts - Season 1 - Episode 36

The Octonauts try to pull Peso out of an oceanic trench and get some help from a strange looking creature with a see through head: a Spookfish.

6.39

326 votes

#48 - The Flying Fish

Octonauts - Season 1 - Episode 5

When a school of flying fish accidentally make off with a rare book belonging to Professor Inkling, the Octonauts rig up the Gup B to fly after them and get it back.

6.33

6 votes

#49 - The Surfing Snails

Octonauts - Season 4 - Episode 14

When surfing snails are swept out to sea by a huge wave, it's up to Dashi and the Octonauts to save them before their bubble rafts pop!

6.19

133 votes

#50 - The Enormous Elephant Seal

Octonauts - Season 1 - Episode 39

When Peso and the Octonauts aid an enormous Elephant Seal, he overstays his welcome in the Octopod.